They feed their young milk – ten surprising facts about pigeons. Pigeons are considered annoying and dirty, but are actually fascinating animals.
Both the females and the males produce what is known as crop milk. The pigeon chicks stick their beaks into their parents' crops to drink the nutrient-rich liquid. In ancient times, pigeons were considered very gentle and pure. The organ was considered the seat of evil in the human body. A pigeon is involved in an estimated 2,000 fights every year.